AM_Alluaudite_9
Formula: Na1.702 Fe3 P3 O12
Name: Alluaudite
Unit cell: 11.849 12.539 6.486 90.0 114.51 90.0 , V=876.82
Space group: C12/C1 (15)

Hatert F , Rebbouh L , Hermann R P , Fransolet A M , Long G J , Grandjean F , American Mineralogist , 90 (2005) p.653-662, Crystal chemistry of the hydrothermally synthesized, Na2(Mn1-xFe2+x)2Fe3+(PO4)3 alluaudite-type solid solution, Sample: Na2Fe2+2Fe3+(PO4)3 (x = 1.00)